[化] 乙酰丙酮

The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

发表于:2018-12-02 / 阅读(172) / 评论(0) 分类 Scientific American(十二)月

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发表于:2018-12-04 / 阅读(213) / 评论(0) 分类 英文魔法师字源大挪移

Scientists in Mexico say they may have found a way to cut production of methane, a gas linked to rising temperatures on the Earths surface. The scientists say their method may help reduce the methane released by cows, one of the main producers of the

发表于:2018-12-07 / 阅读(211) / 评论(0) 分类 2017年VOA慢速英语(二)月

A Abrine 相思豆碱 O-Acetyl-3,6-di-O-β-D-xylopy-rano- astragaloside O-乙烯 3,6-双氧-β-D- 吡喃木糖基绵毛黄芪甙 Acetylastragaloside 乙酰黄芪甙 N-Acetyl-D-Glucosamine N-乙酰氨基

发表于:2018-12-08 / 阅读(159) / 评论(0) 分类 医务英语

Anne Karin Kaasa - Gje Meg Handa Di Gje meg handa di, ven, naring;r det kveldar, det blir moslash;rkt og me treng ei hand Lat dei ljose og venlege tankar, fylgja med inn i draumars land Lat varmen fraring; ein som er glad i deg, tenne stjerner i mosl

发表于:2018-12-14 / 阅读(213) / 评论(0) 分类 十八首全球最好听的女声

bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气;穿着俗丽 【记】bed床

发表于:2018-12-30 / 阅读(187) / 评论(0) 分类 不择手段背单词

Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 60秒科学

热爱恶搞的投资家Yossi Vardi针对写博客时的危险性发表了详尽的见解。尤其给男性们警醒。

发表于:2019-01-05 / 阅读(174) / 评论(0) 分类 TED公开课:(不只是)男人经

SCIENCE IN THE NEWS - Tons Of Methane Gas Could Be Trapped Under Antarctica BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today, we tell about methane gas thought to be tr

发表于:2019-01-12 / 阅读(143) / 评论(0) 分类 2012年VOA慢速英语(九)月

Dairy farmer, researchers look for ways to power cars with bio-gas from cattle Tom Banse | Bellingham, Washington 23 February 2010 Dairy owner Darryl Vander Haak turns cow manure into 'bio-gas' which burns like natural gas in a small electric power p

发表于:2019-01-13 / 阅读(155) / 评论(0) 分类 VOA标准英语2010年(二月)

BBC Learning English Weekender Shappi Korsandi Stand up Callum:Hello, I'm Callum Robertson and this is Weekender. The Edinburgh International festival is a month-long arts and cultural festival held in August in Scotland's capital city, Edinburgh. A

发表于:2019-01-16 / 阅读(450) / 评论(0) 分类 Weekender

is this for real this cant be real are you for real i must be dreaming is this for real this cant be real woahhhhhhhhhh ya so bad to di bone cant leave you alone it's like yo inside my dreams a perfect fantasy (X2) cuz every kiss, every touch boy you

发表于:2019-01-16 / 阅读(145) / 评论(0) 分类 节奏布鲁斯

SCOTT SIMON, HOST: A new study published in the journal Science finds methane emissions from U.S. oil and gas operations are 60 percent higher than previous estimates from the federal government. Now, this comes at a time when we're getting more and

发表于:2019-01-17 / 阅读(139) / 评论(0) 分类 2018年NPR美国国家公共电台6月

今天我们要给大家介绍两个以

发表于:2019-01-30 / 阅读(249) / 评论(0) 分类 美国习惯用语

中草药成分英语单词 A Abrine 相思豆碱 O-Acetyl-3,6-di-O--D-xylopy-rano- astragaloside O-乙烯 3,6-双氧--D- 吡喃木糖基绵毛黄芪甙 Acetylastragaloside 乙酰黄芪甙 N-Acetyl-D-Glucosamine N-乙酰氨基葡萄糖糖 6``-acetylhyperoside 6``-乙酰氧基金丝桃甙 Acetylsh

发表于:2019-02-02 / 阅读(183) / 评论(0) 分类 英文语法词汇

今天Larry和李华要到朋友Bob家里,Bob因为要搬家,所以把他的立体音响卖给Larry。今天李华会学到两个常用语:dibs和shotgun. LL: I'm really glad that Bob gave me fi

发表于:2019-02-05 / 阅读(206) / 评论(0) 分类 美国之音《流行美语》

Choose the word or phrase which best completes each sentence. 1. He has to know you for a long time before he really begins to come out of his ___. a . shoe b . hell c . shed d . hole 2. I tell you I know for certain that Lisa will be promoted to man

发表于:2019-02-05 / 阅读(167) / 评论(0) 分类 英文语法词汇

Abadie's Sign Chinese阿巴迪征(跟腱受压无感觉,见于脊髓痨) Abaptiston Chinese安全开颅圆锯 abarognosis Chinese压觉缺失 abasia astasia Chinese立行不能 abasia Chinese步行不能 abdominal reflex Chinese腹壁反射 abduction Chinese外展 abiotrophy Chinese生活力

发表于:2019-02-07 / 阅读(176) / 评论(0) 分类 英文语法词汇

MELBOURNE, Jan. 15 (Xinhua) -- History was made when Wu Di became the first Chinese man to have played a Grand Slam match here on Tuesday. History was also made by Japan's 42-year-old Kimiko Date-Krumm, who shocked 12th seed Nadia Petrova to become t

发表于:2019-02-13 / 阅读(219) / 评论(0) 分类 英语新闻

Regnet faller ned som tarer av et sorgfylr ar Uhelbredelige sar som i en tidlos klagesang dveler endelose savn og du som drev sa langt av sted i soken etter sjelefred For kun morket kan besta hvor alt det vakre ma forga du som bearrer verdens byrder

发表于:2019-03-02 / 阅读(223) / 评论(0) 分类 英文摇滚歌曲
学英语单词
agency in fact
Ahve
amorphous semiconductors
Anasco
antiadvertising
band elevator
Blitzenreute
blow-out current
brass ceilings
bring one's eggs to a bad market
carcinoma of uterine cervix
cephalopodas
cerveris
change off
code figure
con(connect message)
converge upon
coronal helmet
critical-pressure ratio
current sentential form
cut in a network
day-owl
decessit sine prole superstite
Demirciler
denayed
depoliticised
derris ellipticas
deuterium-sodium reactor
dipping fork
Egyptian fraction
extrusion technique
face brick clay
fastraverse platen press
flat strip slate pencil
foam at the mouth
fuel salt
futuristically
general assembly
George Wallace
half-crouch
halogenated monomer
hanging position
homoneura (homoneura) notostigma
ignore one's proper occupation
invisible line
jump conditions
line receiving amplifier
ljc
management science and engineering
metaphrase
mexafylline
microphallus sp.
mirror elements
mnitochondrion
moary
n.m.r
negotiations
neoromanticism
notification services
orthogonal partition
oswius
oversexed
parecox neurasthenia
pars granulosa
partir
peetes
pick-up order
preservator
Prism-Shaped
PVOD
quasilinear functional
raihead
recording oscillometer
Resian
retentive apparatus
RMCL
roller stamping die
Rubus ourosepalus
segestas
send someone to the showers
shuffle bar
springed
staggered spot-welding
stone extractor
subequation
subtropic
surface railway
Tarquinius, (Lucius Tarquinius Priscus)
tetraparalogous
torque-converter housing
Touton giant cells
transportation velocity
tropical monsoon climate
tsukiji
tveitasite
umbrella insurance
uniform resistance
uretero-ureteral anastomosis
V slot
vena intermedia cubiti
wind-powereds
yoav